Improvement in fountain-pens



T. PRIOUX. Fountain-Pen.

Patented Mar. 25. 1879.

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l l l N. PEI'ERS. PHDTO-UTHOGRAFHER. WASMNGTON1 D C.

UNITED STATES PATENT OFFICE.

THOPHILE PBIOUX, OF PARIS, FRANCE.

IMPROVEMENT IN FOUNTAIN-PENS.

Specification forming part of Letters Patent No. 213,689, dated March 25, 1879 5 application filed July 6, 1878; patented in France, May 25, 1878.

To all whom t may concern:

Be it known that I, 'IHOPHLLE PRIoUx, of the city of Paris, in the Republic of France, have invented certain Improvements in Self- Inking Pens, of which the following is a specication:

The object of this invention is to provide a pen having an ink-reservoir iu the handle with means for automatically supplying the ink to said pen in proper quantities as it becomes exhausted.

In the drawings, Figure l represents an elevatiou of the pen and holder; Fig. 2, an enlarged sectional view of the same; and Fig. 3 shows a detached view of the lower section of the pen. Fig. 4 isla partial section on line x, Fig. 3.

The letter A represents the handle of the pen, consisting of a tube of proper diameter and length, open at the lower end and closed at the top. The letter B represents the sec tion which carries the pen and the operative parts for supplying the ink to said pen. The said section is provided with a male screw, b, which engages a female screw, a., in the opening at the lower end of the handle. Said lower section consists of a tube, bl, of such diameter as to iit within the handle of the pen, having a tubular extension, b2, of less diameter, which extends up into the handle when the section B is in place. The lower end of said section B has at its lower end a spoon-like extension, b3, terminating in the bowl of the peu when it is in place.

The letter D represents a tube extending from the bowl of the extension C upwardly and entirely through the section B, terminating a short distance above its upper end, and is provided at said end with a bell, E, which sets over the narrowed portion of said section B, and extends nearly to the enlarged portion ot the same. Through said tube D extends a smaller tube, F, the lower end of which is secured in the bowl of the extension C, the upper end terminating in a short cylinder, G, secured to the upper end of the tube D, above the bell E. The lower end of the tube F is enlarged and formed with a beveled shoulder, f, which forms a valve-seat for the lower end of the tube D. In the tube F is located a wire, f', projecting from its upper end, and

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extending through an aperture, g, in the cylinder G, and bent at the end to prevent it from being drawn inwardly through said aperture. The aperture is formed on the inside with a conical seat for a conical valve, H, secured to the wire f', which closes said aperture when the operative parts of the pen are in a normal position. The letter I represents the pen-clasp for holding the pen secured to the tube D. Surrounding said tube D is a spiral spring, K, bearing againstthe shoulder of the section B at its upper end and against a collar on the tube D at its lower end, and serving to keep the tube D in a normal position.

The operation of my improved pen is as fol- The handle is first properly charged with ink and the lower section inserted, the bell acting as a stopper to prevent leakage of the ink. Upon pressing upon the point of the pen the tube D is elevated, opening the valve H, and permitting the ink to descend into the cylinder G. From thence the ink hows down through the tube D and out at its lower end into the bowl of the extension G,the lower end of said tube D being elevated from its seat on the enlarged lower end of the tube F. Upon relieving the pen of its pressure the parts assume a normal position and close the valves, stopping the liow of the ink.

What I claim is- In combination with the handle of the pen, the lower section thereof, and the spoon-like extension, a hollow tube extending through said extension, and provided with a cylinder at its upper end having an opening at its top, and the tube extending from the bowl of the spoon-like extension through the aforementioned tube, and provided with a valveseat at its lower end and with a wire carrying a valve at its upper end, adapted to open and close the aperture in the cylinder7 and the spiral-spring surrounding the outer tube, whereby the parts are kept iu a normal position, substantially as and for the purposes specified.

T. PBIOUX.

Witnesses Ronr. M. HooPER, E. HBR. 

